231468188 has 24 divisors (see below), whose sum is σ = 463757952. Its totient is φ = 99024624.

The previous prime is 231468163. The next prime is 231468197. The reversal of 231468188 is 881864132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9395 + ... + 23477.

It is an arithmetic number, because the mean of its divisors is an integer number (19323248).

Almost surely, 2^231468188 is an apocalyptic number.

231468188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231468188 is an abundant number, since it is smaller than the sum of its proper divisors (232289764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231468188 is a wasteful number, since it uses less digits than its factorization.

231468188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14681 (or 14679 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 231468188 is about 15214.0786116018. The cubic root of 231468188 is about 613.9934958833.

The spelling of 231468188 in words is "two hundred thirty-one million, four hundred sixty-eight thousand, one hundred eighty-eight".